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media: dvb-frontends/dvb-pll: add i2c driver support

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registers the module as an i2c driver,
but keeps dvb_pll_attach() untouched for compatibility.

Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Akihiro Tsukada 2018-04-08 13:21:34 -04:00 committed by Mauro Carvalho Chehab
parent baa057e29b
commit eaa51fee29
2 changed files with 71 additions and 0 deletions
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67
drivers/media/dvb-frontends/dvb-pll.c
View file

@ -827,6 +827,73 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
}
EXPORT_SYMBOL(dvb_pll_attach);
static int
dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct dvb_pll_config *cfg;
struct dvb_frontend *fe;
unsigned int desc_id;
cfg = client->dev.platform_data;
fe = cfg->fe;
i2c_set_clientdata(client, fe);
desc_id = (unsigned int) id->driver_data;
if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id))
return -ENOMEM;
dev_info(&client->dev, "DVB Simple Tuner attached.\n");
return 0;
}
static int dvb_pll_remove(struct i2c_client *client)
{
struct dvb_frontend *fe;
fe = i2c_get_clientdata(client);
dvb_pll_release(fe);
return 0;
}
static const struct i2c_device_id dvb_pll_id[] = {
{"dtt7579", DVB_PLL_THOMSON_DTT7579},
{"dtt759x", DVB_PLL_THOMSON_DTT759X},
{"z201", DVB_PLL_LG_Z201},
{"unknown_1", DVB_PLL_UNKNOWN_1},
{"tua6010xs", DVB_PLL_TUA6010XS},
{"env57h1xd5", DVB_PLL_ENV57H1XD5},
{"tua6034", DVB_PLL_TUA6034},
{"tda665x", DVB_PLL_TDA665X},
{"tded4", DVB_PLL_TDED4},
{"tdhu2", DVB_PLL_TDHU2},
{"tbmv", DVB_PLL_SAMSUNG_TBMV},
{"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261},
{"opera1", DVB_PLL_OPERA1},
{"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A},
{"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0},
{"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132},
{"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112},
{"tdee4", DVB_PLL_TDEE4},
{"dtt7520x", DVB_PLL_THOMSON_DTT7520X},
{}
};
MODULE_DEVICE_TABLE(i2c, dvb_pll_id);
static struct i2c_driver dvb_pll_driver = {
.driver = {
.name = "dvb_pll",
},
.probe = dvb_pll_probe,
.remove = dvb_pll_remove,
.id_table = dvb_pll_id,
};
module_i2c_driver(dvb_pll_driver);
MODULE_DESCRIPTION("dvb pll library");
MODULE_AUTHOR("Gerd Knorr");
MODULE_LICENSE("GPL");

4
drivers/media/dvb-frontends/dvb-pll.h
View file

@ -30,6 +30,10 @@
#define DVB_PLL_TDEE4 18
#define DVB_PLL_THOMSON_DTT7520X 19
struct dvb_pll_config {
struct dvb_frontend *fe;
};
#if IS_REACHABLE(CONFIG_DVB_PLL)
/**
* Attach a dvb-pll to the supplied frontend structure.